Usein kysyttyä SDG-asetuksesta ja sen velvoitteista

An error occurred while processing the template. 
The following has evaluated to null or missing:
==> nav_item.getURL()?split("/w/")[1]  [in template "20096#20121#181876" at line 18, column 64]

----
Tip: It's the final [] step that caused this error, not those before it.
----
Tip: If the failing expression is known to legally refer to something that's sometimes null or missing, either specify a default value like myOptionalVar!myDefault, or use <#if myOptionalVar??>when-present<#else>when-missing</#if>. (These only cover the last step of the expression; to cover the whole expression, use parenthesis: (myOptionalVar.foo)!myDefault, (myOptionalVar.foo)??
----

----
FTL stack trace ("~" means nesting-related):
	- Failed at: friendlyURL = nav_item.getURL()?split...  [in template "20096#20121#181876" at line 18, column 50]
----
1<#include "${templatesPath}/NAVIGATION-MACRO-FTL" /> 
2<#assign JournalArticleLocalService = serviceLocator.findService("com.liferay.journal.service.JournalArticleLocalService") 
3/> 
4<#assign currentUrl = themeDisplay.getURLCurrent() /> 
5 
6<#if !entries?has_content> 
7	<#if themeDisplay.isSignedIn()> 
8		<div class="alert alert-info"> 
9			<@liferay.language key="there-are-no-menu-items-to-display" /> 
10		</div> 
11	</#if> 
12<#else> 
13	<div aria-label="<@liferay.language key="site-pages" />" class="list-menu"> 
14		<ul> 
15		 
16	<#list entries as nav_item> 
17		<#assign  
18						 friendlyURL = nav_item.getURL()?split("/w/")[1] 
19						 viewFullContentURL = nav_item.getURL()?replace("/w/", "/-/") 
20						 isActive = currentUrl?ends_with("/" + friendlyURL) 
21						 article = JournalArticleLocalService.getArticleByUrlTitle(themeDisplay.getSiteGroupId(), friendlyURL) 
22						 index = nav_item?index + 1/> 
23					  
24		 
25		<li><a href="${viewFullContentURL}" class="lfr-nav-item ${isActive?string('active', '')}"> ${nav_item.getTitle()} </a> 
26			 
27			<#if (article??)> 
28		  <#assign docXML = saxReaderUtil.read(article.getDocument().asXML()) 
29						 recommendationStepNodes = docXML.selectNodes("/root/dynamic-element[@field-reference='recommendation_step']/dynamic-content[@language-id='${locale}']")/> 
30				<ul class="recommendation-step-list"> 
31				 
32				<#list recommendationStepNodes as node> 
33							 <#assign recommStepJSONString = node.getText()	 
34												recommStepJSON = jsonFactoryUtil.createJSONObject(recommStepJSONString) 
35		           recommStepTitle = jsonFactoryUtil.createJSONObject(recommStepJSONString).getString("title") 
36													recommStepTitleMap = recommStepJSON.getJSONObject("titleMap") 
37												recommStepLocalisedTitle = recommStepTitleMap.getString(locale) 
38												recommStepClassPK = recommStepJSON.getString("classPK") 
39						 /> 
40							 <li><a href="${viewFullContentURL}#recommendation_step_${recommStepClassPK}">${recommStepLocalisedTitle?has_content?then(recommStepLocalisedTitle, recommStepTitle)}</a></li> 
41						 </#list> 
42	      </ul>		 
43		</#if>	 
44		</li> 
45	</#list> 
46	</ul> 
47		 
48	</div> 
49	 
50	</#if> 

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